Marantz SR7300 Marantz AV Receiver IR Remote Code List - Page 3
Hardware Software Interface HSI Spec. - sr7300ose
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SR7300/SR7300OSE Hardware Software Interface (HSI) Spec. Page: 3 / 19 Document Version [2.01] 1. Introduction 1-1. Purpose This document was written in order to clarify specification for control this product by the host controller. 1-2. Scope This document would be using by software or hardware engineers for production of this product. This product is [marantz SR7300/SR7300OSE]. (It's refered to as "This product" after this.) 1-3. Abbreviations Abbreviation Description 1-4. References 2. Global Description 2-1. Overview A Host controller can control or watch out this product as a Slave very easily via the communication cable. 2-2. Block Diagram HOST (Controller) RS232C cable (straight) SLAVE (This product) Connector D-SUB (9pin, male) 2-3. Interface connecter specification of This Product Processor Interface - UART GENERAL PORT - Signal name N.C. TxD (output) RxD (input) N.C. GND N.C. CTS (input) RTS (output) N.C. Connection device - RS232C Level shift driver - RS232C Level shift driver - D-Sub Pin 1 2 3 4 5 6 7 8 9 Connecter RS232C D-SUB (9pin,male) 2-4. Assumptions and Dependencies